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Command briefing
What's happening in space today.
A new picture, the ISS's live position, the next launch on the pad, and a fresh quiz question — every single day.
LIVE FEED
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Tracking now
International Space Station
Acquiring signal…
Orbiting Earth roughly every 90 minutes, ~400km up.
Next on the pad
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–DAYS
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Daily quiz — day streak bonus
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World navigation
Explore the Solar System.
Open complete planet guides, compare worlds, or enter the UFO/UAP research sector.
🪐All WorldsGuide hub
☀️SunOur star
⚫Mercury1st planet
🟡Venus2nd planet
🌍EarthOur home
🔴MarsRed planet
🟠JupiterGas giant
🪐SaturnRinged world
🔵UranusIce giant
🌊NeptuneDistant world
🧊PlutoDwarf planet?
⚖️CompareWorld vs world
🛸 UFO / UAP CENTERENTER RESEARCH SECTOR →
The base information layer
Univerpedia
The connected encyclopedia of space, science, engineering and the universe — clear explanations, real technical depth, visible sources.
Worlds & Astronomy
Planets, stars, galaxies, the cosmos.
Physics & Chemistry
Matter, forces, energy, reality.
Spaceflight
Rockets, orbits, mission design.
Engineering & AI
Robotics, computing, materials.
Discovery
Research, experiments, breakthroughs.
People & History
Scientists, astronauts, milestones.
Onboard research agent
Ask AIstructor.
Get a simple explanation, a technical answer, a company comparison, or a mission plan.
Hello, Explorer. What would you like to discover, understand, or build?
Learn, participate, advance
Ready to train as a space cadet?
Courses, missions, and Fleet divisions live on their own dedicated academy — your streak and rank here carry over.
△ SpaceFleet Academy
OPEN SPACEFLEET.ACADEMY ↗
Learn the science, complete missions, choose a Fleet division — Explorer, Engineer, Researcher, or Commander — and earn ranks and badges.
Create your Explorer account on SpaceFleet Academy to start earning course badges and Fleet rank alongside your SolarSystem.com streak.
Space business & companies
Looking for space companies or industry data?
That lives on its own dedicated platform, built for investors, buyers, and the companies themselves.
◇ Space Directory
OPEN SPACEDIRECTORY.IO ↗
Search space companies by niche — launch, satellites, optics, telemetry, lunar, Mars & deep space, and more — with live news and company profiles.
Space Directory shares the same knowledge graph as SolarSystem.com and Univerpedia — a company you find there links back here for the science and context behind what it builds.
LIVE SPACE FEEDCONNECTING TO LIVE DATA SOURCES… ·